package com.laigeoffer.pmhub.base.security.feign;

import com.laigeoffer.pmhub.base.core.constant.SecurityConstants;
import com.laigeoffer.pmhub.base.core.utils.ServletUtils;
import com.laigeoffer.pmhub.base.core.utils.StringUtils;
import com.laigeoffer.pmhub.base.core.utils.ip.IpUtils;
import feign.RequestInterceptor;
import feign.RequestTemplate;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import java.util.Map;

/**
 * feign 请求拦截器
 *
 * @author canghe
 */
@Component
public class FeignRequestInterceptor implements RequestInterceptor {
    @Override
    public void apply(RequestTemplate requestTemplate) {
        HttpServletRequest httpServletRequest = ServletUtils.getRequest();
        Map<String, String> headers = ServletUtils.getHeaders(httpServletRequest);
        // 传递用户信息请求头，防止丢失
        String userId = headers.get(SecurityConstants.DETAILS_USER_ID);
        if (StringUtils.isNotEmpty(userId)) {
            requestTemplate.header(SecurityConstants.DETAILS_USER_ID, userId);
        }
        String userKey = headers.get(SecurityConstants.USER_KEY);
        if (StringUtils.isNotEmpty(userKey)) {
            requestTemplate.header(SecurityConstants.USER_KEY, userKey);
        }
        String userName = headers.get(SecurityConstants.DETAILS_USERNAME);
        if (StringUtils.isNotEmpty(userName)) {
            requestTemplate.header(SecurityConstants.DETAILS_USERNAME, userName);
        }
        String authentication = headers.get(SecurityConstants.AUTHORIZATION_HEADER);
        if (StringUtils.isNotEmpty(authentication)) {
            requestTemplate.header(SecurityConstants.AUTHORIZATION_HEADER, authentication);
        }

        // 配置客户端IP
        requestTemplate.header("X-Forwarded-For", IpUtils.getIpAddr());
    }
}